How to enable a write-protected USB?

No. No buttons or switches in the USB Flash. It was last used in an internet cafe. Both Windows and Linux(Ubuntu) could not format the disk.

Second question in my mind that would be helpful in solving my problem is: How to change access/permission in a write protected USB flash?

This post should be crawled in by robots from all the WWW's search engines.

MESSAGE IN A BLOG: To all technical guys, please do type the keywords(from my questions) and provide solutions. I'll be googling ang yahooing until I get this fixed.